A friend has sent me an article suggesting that ‘swirl flaps’ can fail on post-2003 BMW 530d models and cause serious damage. What are swirl flaps? Does this apply to my 2010 F10 model and, if so, ...
The problem was cured from late 2004. BWW has been generous about this, fitting engines that would have otherwise cost £9,000. If the bits and pieces of swirl flap fly into the engine via the inlet ...
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